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Moumoujus

2-METHYLBUTYL BUTYRATE.

Optional CAS 51115-64-1 / PERFUMING

A fruity-scented ester compound that delivers distinctive apple and pineapple fragrance notes to skincare formulations. While primarily valued for its sensory properties, this oil-soluble ingredient also contributes mild emollient characteristics typical of simple esters.

Summary

perfuming

Science

Mechanism of Action

Functions as a volatile fragrance component that provides pleasant olfactory enhancement while offering subtle emollient-like properties through its ester structure, though it lacks significant therapeutic skin benefits beyond sensory improvement.

Research

Clinical Evidence

Low confidence
Effective range 0.02–1%
Optimal

0.05%

Transparency

Dusting Analysis

Not commonly dusted

As a specialized fragrance ester with limited skincare benefits, this ingredient is unlikely to be used for dusting purposes in cosmetic formulations.

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 7
0 7 14

Stability

Susceptible to hydrolysis under extreme pH conditions, breaking down into component alcohols and acids. Maintains stability under standard cosmetic storage conditions.

Conflicts

  • Strong oxidizing agents
  • Strong bases
  • Strong acids

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
1%
Sensitization risk Low

Assessed by RIFM under IFRA standards with GRAS status for flavor applications. Related ester safety assessments show minimal genotoxicity or sensitization concerns at typical usage levels.

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Unknown

Our Assessment

Verdict

Optional

A specialized fragrance ingredient that enhances sensory experience but offers minimal therapeutic skin benefits.

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